3D GIFs Made from Old Stereo Cards Are Stupidly Simple, Effective

Joshua Heineman is obsessed with old stereo cards, those old photographs from the 19th century that contained two different views of the same subject to give the illusion of depth. He converts them into pseudo-3D GIF images that can be seen without glasses, on your monitor. The method is extremely simple, and while the jerking result may seem silly, surprisingly, it works:

Johsua just gets his images from the New York Public Library, and combines them into a single two-frame GIF animation, which quickly flicks between two frames. [Cursive Buildings]

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